This MisterChef Energy efficient juicer is a fun and easy way to get the nutrients and vitamins you need in your diet and lifestyle. The fast, powerful blade system extracts fresh, delicious juice. Use the low speed -12000-15000RPM for soft fruits and veg such as oranges, apples, grapes, melons, peaches, tomatoes, cucumber etc. Use the high speed - 15000-18000RPM for leafy greens and harder fruits and veg such as carrots, celery, beets, ginger, spinach etc.